MYLES NELLIGAN
NPI 1285563205
Internal Medicine - Gastroenterology in Portland, OR

Active since May 15, 2026
1111 NE 99TH AVE STE 302, PORTLAND, OR 97220(503) 963-2707 Get Directions Write a Review

NPPES record last updated: May 15, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Myles Nelligan NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MYLES NELLIGAN (NPI 1285563205) is an individual gastroenterology provider in Portland, Oregon, licensed in Oregon (201707486RN) and active in the NPI registry since May 2026.

NPPES Registry Identity

NPI1285563205
Entity TypeIndividual
Primary Taxonomy207RG0100X
Provider Legal NameMYLES NELLIGAN
Location Address1111 NE 99TH AVE STE 302Portland, OR 97220-9442
Mailing Address1111 Ne 99th Ave Ste 302Portland, OR 97220-9442 · (503) 963-2707
Sole ProprietorNo
Enumeration DateMay 15, 2026
NPPES CertifiedMay 15, 2026
NPI 1285563205 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal Medicine · GastroenterologyAllopathic & Osteopathic Physicians
Taxonomy Code207RG0100X
License Licensed in OR · 201707486RN
Definition
An internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.
1111 NE 99TH AVE STE 302, Portland, OR 97220

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Anesthetist, Certified Registered
1111 NE 99TH AVE STE 302
PORTLAND, OR 97220
Registered Nurse (Gastroenterology)
1111 NE 99TH AVE STE 302
PORTLAND, OR 97220
Clinic/Center (Endoscopy)
1111 NE 99TH AVE STE 302
PORTLAND, OR 97220

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Myles Nelligan's NPI number?

The NPI number for Myles Nelligan is 1285563205. It was assigned to this individual provider in the NPPES registry on May 15, 2026.

Where is Myles Nelligan located?

Myles Nelligan practices at 1111 NE 99th Ave Ste 302, Portland, OR 97220. The listed phone number is (503) 963-2707.

What is Myles Nelligan's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Gastroenterology, with taxonomy code 207RG0100X.

When was this NPI record last updated?

The NPPES record for Myles Nelligan was last updated on May 15, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.